WSDOT - Stormwater Linear Drain - Office

This is a view of the LinearDrain featureclass created with the following query: LifeCycleCurrentStatus= 'Active' AND (WSDOTownership in ('Yes', 'Unknown') OR WSDOTownership IS NULL) AND (SWLocationVerified IS NULL OR SWLocationVerified = 'No') This feature class contains WSDOT’s stormwater pipe ends. A pipe end is the end point of a pipe, which is a sub-linear enclosed conveyance designed and constructed to convey flow; it has a clear opening of less than 20 feet (see Hydraulics Manual, Chapter 8). The majority of the data collected so far are within the Phase I and Phase II 2009 NPDES Municipal Stormwater Permit Areas. This feature class has six subtypes: Culvert Pipe, Drain Pipe, Sanitary Sewer Pipe, Storm Sewer Pipe, Underdrain Pipe, and Unknown.